| /* clib.c: Functions which we normally expect to find in the C library. |
| $Id: clib.c,v 1.1 1997/08/21 22:57:59 jason Exp $ |
| |
| This file is part of GNU Info, a program for reading online documentation |
| stored in Info format. |
| |
| Copyright (C) 1995 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| Written by Brian Fox (bfox@ai.mit.edu). */ |
| |
| #include <stdio.h> |
| |
| #if defined (HAVE_UNISTD_H) |
| #include <unistd.h> |
| #endif |
| |
| #if defined (HAVE_STDLIB_H) |
| #include <stdlib.h> |
| #endif |
| |
| #if defined (HAVE_STRING_H) |
| #include <string.h> |
| #endif |
| |
| #include <sys/errno.h> |
| |
| extern void *xmalloc (), *xrealloc (); |
| #include "general.h" |
| |
| #if !defined (errno) |
| extern int errno; |
| #endif |
| |
| #if !defined (HAVE_STRERROR) |
| extern char *sys_errlist[]; |
| extern int sys_nerr; |
| |
| char * |
| strerror (num) |
| int num; |
| { |
| if (num >= sys_nerr) |
| return (""); |
| else |
| return (sys_errlist[num]); |
| } |
| #endif /* !HAVE_STRERROR */ |
| |
| #if !defined (HAVE_STRCASECMP) |
| /* This Unix doesn't have the strcasecmp () function. */ |
| int |
| strcasecmp (string1, string2) |
| char *string1, *string2; |
| { |
| char ch1, ch2; |
| |
| for (;;) |
| { |
| ch1 = *string1++; |
| ch2 = *string2++; |
| |
| if (!(ch1 | ch2)) |
| return (0); |
| |
| ch1 = info_toupper (ch1); |
| ch2 = info_toupper (ch2); |
| |
| if (ch1 != ch2) |
| return (ch1 - ch2); |
| } |
| } |
| |
| /* Compare at most COUNT characters from string1 to string2. Case |
| doesn't matter. */ |
| int |
| strncasecmp (string1, string2, count) |
| char *string1, *string2; |
| int count; |
| { |
| register char ch1, ch2; |
| |
| while (count) |
| { |
| ch1 = *string1++; |
| ch2 = *string2++; |
| |
| ch1 = info_toupper (ch1); |
| ch2 = info_toupper (ch2); |
| |
| if (ch1 == ch2) |
| count--; |
| else |
| break; |
| } |
| return (count); |
| } |
| #endif /* !STRCASECMP */ |
| |